Martha Sweezy Ph.D.

Martha Sweezy, Ph.D., is an assistant professor, part-time, in psychiatry at Harvard Medical School, a research and training consultant at the Center for Mindfulness and Compassion at the Cambridge Health Alliance, and a psychotherapist with an online private practice. She teaches Internal Family Systems (IFS) therapy nationally and internationally. Her most recent book, Internal Family Systems Therapy for Shame and Guilt, explores shame and guilt in the context of psychic multiplicity. She has also authored two articles on IFS in peer-reviewed journals, co-authored the second edition of Richard Schwartz’s inaugural book on IFS, co-authored three treatment manuals on IFS (on trauma, couple therapy, and addictions), and co-edited two books on various applications of IFS.